CAPE Physics Unit 2 · 2018 · Paper 1 · Question Q3
An alternating current is represented by the equation I = I_0 \sin 120\pi t where t has units of seconds. How many complete cycles does it go through in 10\text{ minutes}?
- (A)
1\,200 - (B)
6\,000 - (C)
36\,000 - (D)
72\,000
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